#include <stdio.h>
#include <ctype.h>

#define BUFSIZE 100

char buf[BUFSIZE];
int bufp = 0;

int getch(void)
{
    return (bufp > 0) ? buf[--bufp]:getchar();
}

void ungetch(int c)
{
    if(bufp >= BUFSIZE)
        printf("ungetch: too many characters\n");
    else
        buf[bufp++] = c;
}

int getint(int *pn)
{
    int c,sign;

    while(isspace(c = getch()))
        ;
    if(!isdigit(c) && c != EOF && c != '+' &&c != '-'){
        ungetch(c);
        return 0;
    }
    sign = (c == '-') ? -1:1;
    if(c == '+'||c == '-')
        c=getch();
    for(*pn = 0; isdigit(c); c = getch())
        *pn = 10* *pn + (c - '0');
    *pn *= sign;
    if(c != EOF)
        ungetch(c);
    return c;
}

int main()
{
    int n,array[10]={0},getint(int *);

    for(n = 0; n < 10 && getint(&array[n]) != EOF; n++)
        ;
    for(n = 0; n < 10; n++)
        printf("%d\n", array[n]);
    printf("end\n");
}
